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References: [ +from:dhearn@wwnw.net: 23 ]

Total 23 documents matching your query.

1. Re: [Amps] HyGain HyTower Question (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Tue, 3 May 2005 07:39:47 -0700
Bob: the stinger is insulated from the tower top and is connected via a wire down the center of the tower to the tower base. I believe that the shunt capacity between the wire and the tower surroundi
/archives//html/Amps/2005-05/msg00023.html (8,715 bytes)

2. [Amps] Diode Spec. (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Sun, 8 May 2005 16:47:20 -0700
I have just acquired 4 very large rectifier blocks labeled MDA1333H. Can't find info in any of my catalogs or via Google. Can anyone tell me PIV and current rating? 73, Dan, N5AR ____________________
/archives//html/Amps/2005-05/msg00136.html (6,152 bytes)

3. Re: [Amps] Diode Spec. (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Sun, 8 May 2005 17:39:50 -0700
There is no manufacturer name or symbol that I can find. Very interesting that WA4LAV asked same question, Hi. Will search further in archive. tnx, Dan Bill Fuqua - WA4LAV - asked this same question
/archives//html/Amps/2005-05/msg00140.html (9,214 bytes)

4. [Amps] MDA1333H (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Sun, 8 May 2005 19:26:48 -0700
Thanks to all who replied. I now have all the info I need on the rectifiers. "Ain't Amps great?" 73, Dan, N5AR _______________________________________________ Amps mailing list Amps@contesting.com ht
/archives//html/Amps/2005-05/msg00145.html (6,458 bytes)

5. Re: [TowerTalk] [Amps] Toyota SUV's For Mobile? (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Sun, 30 Oct 2005 18:10:59 -0800
I have had no problems running my Yaesu ft857 in a Toyota Highlander. The hf antenna is mounted on a 12 inch square aluminum plate attached to the top lugage rack with tie wraps. The cross rails were
/archives//html/Amps/2005-10/msg00706.html (8,727 bytes)

6. [Amps] TL922 on 17m (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Thu, 17 Nov 2005 16:27:58 -0800
Is it OK to put the 922 on 17m using the 15m bandswitch position? I realize there is no tuned input for 17 but think my xcvr internal tuner could handle that. RFC resonance problem? 73, Dan, N5AR ___
/archives//html/Amps/2005-11/msg00285.html (6,173 bytes)

7. [Amps] Amp input (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Wed, 23 Nov 2005 14:56:44 -0800
I have been told that the new ARRL handbook has an amp design which uses a comercial autotuner as the input network for an 3cx1500D7 amp. Could someone tell me if this is true? It sounds like a good
/archives//html/Amps/2005-11/msg00475.html (6,318 bytes)

8. [Amps] re Amp Input (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Wed, 23 Nov 2005 16:34:58 -0800
Tnx to K7FM and K2ZO my questions were answered. 73, Dan, N5AR _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2005-11/msg00478.html (6,023 bytes)

9. Re: [Amps] difference between 2,3,4 and 43, 45, ... materials? (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Mon, 28 Nov 2005 15:16:16 -0800
Have you considered the possibility of RF coming in via the house wiring and the line cord? I have solved 2 problems with a few turns of the line cord thru a ferrite torroid.It is a very easy thing t
/archives//html/Amps/2005-11/msg00509.html (11,062 bytes)

10. Re: [Amps] Clean -vs- Unclean (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Mon, 9 Jan 2006 15:07:32 -0800
Not the same radios. One is the 200w job and the other is the 100w job. One has internal PS and other has external PS. 73, Dan, N5AR ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/archives//html/Amps/2006-01/msg00307.html (9,233 bytes)

11. [Amps] Info needed (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Sun, 22 Jan 2006 14:07:12 -0800
I recently acquired several HV rectifier units from an estate sale. A Google search did not give me information on them. Any help in determining their voltage and current ratings will be appreciated.
/archives//html/Amps/2006-01/msg00510.html (6,364 bytes)

12. [Amps] info needed (update) (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Sun, 22 Jan 2006 20:32:53 -0800
I now have info on the 2 Semtec units and the Unitrode unit. Anyone know about the Varo VC80X, the Solitron c711 7410 or the IRC 6809? Tnx, Dan, N5AR _______________________________________________ A
/archives//html/Amps/2006-01/msg00517.html (6,463 bytes)

13. Re: [Amps] RFI Question (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Fri, 3 Feb 2006 17:42:46 -0800
I did a search on the ARRL members section at HQ using touch lamp rfi and found quite a bit of info on the subject. Several people cured the problem by putting a resistor of 1k to 2k in series with t
/archives//html/Amps/2006-02/msg00068.html (8,759 bytes)

14. Re: [Amps] HP Balun's (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Tue, 14 Feb 2006 06:49:39 -0800
Tim, you will find a set of measurements of baluns on our clubs web site,www.sdxa.org The measurements of complex impedance were made by WA2SRQ. Click DX Tips, then Baluns for discussion about the te
/archives//html/Amps/2006-02/msg00248.html (7,812 bytes)

15. [Amps] Power Suppply Rectifiers (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Wed, 22 Feb 2006 07:40:08 -0800
I have 9 different sets of HV rectifiers for sale. Photo's, detailed information, and prices are on our DX club web page. www.sdxa.org Click For Sale and then Read More. Tnx, Dan, N5AR ______________
/archives//html/Amps/2006-02/msg00378.html (6,245 bytes)

16. Re: [Amps] Centralab JVN-10 (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Sun, 5 Mar 2006 07:19:49 -0800
Mike, I have used the CRL JV series in the past. I believe that the switch line may now belong to Radio Switch company.If you go to Nebraska Surplus Sales site there is a switch at the bottom of the
/archives//html/Amps/2006-03/msg00086.html (7,696 bytes)

17. Re: [Amps] Speaking of PIN T/R switches (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Mon, 6 Mar 2006 15:58:18 -0800
Jim: About 10-12 years ago I had frequent contacts with K5CX now (SK) in Oklahoma, an excellent high speed CW operator. He had built a QSK system for a 3-1000Z linear using a power rectifier as a PIN
/archives//html/Amps/2006-03/msg00138.html (8,767 bytes)

18. Re: [Amps] Speaking of PIN T/R switches (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Mon, 6 Mar 2006 17:44:27 -0800
My friend W6FR did a Google search for 6A6 and diode which turned up sources for the 6A6. It is 600v 6A rating and cost is very low. The info from K5CX showed it mounted on 2 standoffs with L bracket
/archives//html/Amps/2006-03/msg00151.html (9,642 bytes)

19. [Amps] TL922A (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Sat, 1 Apr 2006 15:50:30 -0800
I am trying to identify the resistor value and type used in the TL922A parasitic suppressors. I believe it is a 2W ohmite carbon but not sure and don't know the value. The schematic in the instructio
/archives//html/Amps/2006-04/msg00006.html (6,309 bytes)

20. [Amps] TL922A (score: 1)
Author: "Dan Hearn" <dhearn@wwnw.net>
Date: Sun, 2 Apr 2006 12:16:42 -0700
Thanks to all who responded to my question about the resistor in the parasitic suppressors for this amp. I was able to look into one of the amps and found 2ea 47 ohm 1 watt resistors in parallel insi
/archives//html/Amps/2006-04/msg00011.html (7,150 bytes)

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